On 02/01/2013 04:29 PM, Andrew Morton wrote:
On Fri, 1 Feb 2013 16:28:48 -0800
Andrew Morton <a...@linux-foundation.org> wrote:
+ if (ret)
+ pr_debug("page %lu outside zone [ %lu - %lu ]\n",
+ pfn, start_pfn, start_pfn + sp);
+
return ret;
}
As this condition leads to a VM_BUG_ON(), "pr_debug" seems rather wimpy
and I doubt if we need to be concerned about flooding the console.
I'll switch it to pr_err.
otoh, as nobody has ever hit that VM_BUG_ON() (yes?), do we really need
the patch?
I've hit this bug while developing some code that moves pages between zones.
As it helped me debug that issue with my own code, I could see how
another developer might be helped by it.
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